Connecting cross rod for ring-lock type steel pipe scaffold

By combining the screw rod and the adjusting rod, the problem that the connecting crossbar cannot adapt to non-standard modular pole spacing in the existing technology is solved, realizing flexible adjustment of the connecting crossbar and improving construction efficiency.

CN224032143UActive Publication Date: 2026-03-24CHINA CONSTR FOURTH ENG DIV CORP LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The connecting crossbars of existing disc-lock steel pipe scaffolding cannot adapt to non-standard modular upright spacing, resulting in complex construction, long construction time, and unfavorable stress distribution.

Method used

It adopts a combination structure of screw rod and adjusting rod, and realizes stepless adjustment of connecting crossbar through threaded engagement. Combined with the design of pin and protective tube, it can achieve quick installation and disassembly.

Benefits of technology

It enables flexible adjustment of the length of the connecting crossbars, adapts to various upright spacings, and improves construction efficiency and the overall load-bearing performance of the frame.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a connecting cross rod of a ring-lock type steel pipe scaffold. The connecting cross rod comprises a screw rod, an adjusting rod, a bolt and a protective pipe, the spiral rod comprises a disc buckle type cross rod and a spiral lead screw fixedly connected to one end of the disc buckle type cross rod. The adjusting rod comprises a disc buckle type transverse rod and an adjusting end fixedly connected to one end of the disc buckle type transverse rod. The overall length of the connecting cross rod is controlled by adjusting the connecting length of the spiral lead screw and the adjusting end; the bolt is used for fixing the connection between the disc buckle type cross rod and the vertical rod disc; the protection pipe is arranged on the exposed spiral lead screw in a sleeving mode and fixed through an open type bolt buckle. By means of a threaded meshing structure of the spiral lead screw and the adjusting end, stepless adjustment (the adjusting range is 0-300 mm) of the length of the connecting cross rod is achieved, the connecting cross rod can be matched with various non-standard vertical rod intervals, the problem of modulus limitation is thoroughly solved, and the requirement for customized components is reduced. The plug-and-play connection of the cross rod and the vertical rod disc is achieved through the plug-and-play design, the mounting and dismounting time is shortened by more than 50%, and the erecting progress of the frame body is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building construction, specifically relates to a disc buckle type steel pipe scaffold connecting cross bar. BACKGROUND

[0002] At present, more and more projects use disc buckle type steel pipe scaffolds in the building construction process, and the components are all standard modular components, and the vertical rod transverse spacing is fixed. The connecting cross bar of the standard module cannot be fully applicable to the transverse connection of different vertical rod spacings at various beam widths, beam plate junctions and adjustment spans.

[0003] The disc buckle type steel pipe scaffold widely used in the current building construction uses standard module design (such as integer multiples of 500mm or 1000mm spacing) for the connecting cross bar and the vertical rod.

[0004] Generally, the transverse connection mode of the non-standard modular vertical rod is to use steel pipe fasteners to connect and reinforce the vertical rod. However, the steel pipe fastener is relatively complex to use compared with the disc buckle type steel pipe scaffold construction, consumes long working hours, has poor forming appearance, and the mixed use of the disc buckle type steel pipe scaffold and the steel pipe fastener type scaffold in the high and large formwork area is not conducive to the overall stress of the scaffold body. INVENTION CONTENTS

[0005] The purpose of the utility model is to solve the problems in the background art, and a disc buckle type steel pipe scaffold connecting cross bar is provided.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A disc buckle type steel pipe scaffold connecting cross bar, comprising a spiral rod, an adjusting rod, a bolt and a protection tube;

[0008] The spiral rod comprises a disc buckle type cross bar and a spiral screw rod fixedly connected to one end of the disc buckle type cross bar;

[0009] The adjusting rod comprises a disc buckle type cross bar and an adjusting end fixedly connected to one end of the disc buckle type cross bar;

[0010] The spiral screw rod can be rotatably inserted into the adjusting end, and the overall length of the connecting cross bar is controlled by adjusting the connection length of the two;

[0011] The bolt is used to fix the connection of the disc buckle type cross bar and the vertical rod disc;

[0012] The protection tube is sleeved on the exposed spiral screw rod and is fixed by an open bolt buckle.

[0013] As a further scheme of the utility model, the pipe diameter and wall thickness of the spiral screw rod are consistent with those of the disc buckle type cross bar.

[0014] As a further scheme of the utility model: the pipe inner diameter of the adjusting end head matches the outer diameter of the spiral screw rod, and the wall thickness is consistent with the disc buckle type cross bar.

[0015] As a further scheme of the utility model: the protective pipe is made of plastic material.

[0016] As a further scheme of the utility model: the protective pipe is of an open type structure, and detachable open type bolt buckles are arranged at both ends.

[0017] As a further scheme of the utility model: the pipe diameter and length of the protective pipe completely match the spiral screw rod.

[0018] As a further scheme of the utility model: the spiral screw rod is connected with the adjusting end head through thread engagement, and the length adjustment of the connecting cross bar is realized by rotating the adjusting rod or the spiral rod.

[0019] As a further scheme of the utility model: the open type bolt buckle of the protective pipe is made of polyethylene material.

[0020] As a further scheme of the utility model: the disc buckle type cross bar is provided with standardized disc interfaces at both ends, and the disc interfaces correspond to the hole positions of the vertical rod disc, and the quick installation and disassembly are realized through the bolt.

[0021] As a further scheme of the utility model: the disc buckle type cross bar of the spiral rod and the adjusting rod is made of Q355B steel material.

[0022] The utility model has the advantages of:

[0023] High applicability and flexibility: through the thread engagement structure of the spiral screw rod and the adjusting end head, the length stepless adjustment (adjustment range 0-300mm) of the connecting cross bar is realized, a plurality of non-standard vertical rod spacings can be adapted, the modulus limitation problem is completely solved, and the demand for customized components is reduced.

[0024] Construction efficiency is significantly improved: the pin type design makes the connection of the cross bar and the vertical rod disc realize "plug and play", the installation and disassembly time is shortened by more than 50%, and the frame erection progress is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] The utility model will be further described below in combination with the drawings.

[0026] Figure 1 It is the whole structure schematic view when the utility model is operated.

[0027] Figure 2 It is the main view of the connecting cross bar of the utility model.

[0028] Figure 3 It is the spiral rod schematic view of the utility model.

[0029] Figure 4 is the schematic diagram of the adjusting rod of the utility model;

[0030] Figure 5 is the schematic diagram of the protection pipe of the utility model.

[0031] In the figure: 1, screw rod; 2, adjusting rod; 3, bolt; 4, protection pipe; 5, disc buckle type cross rod; 6, screw thread; 7, adjusting end. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] Embodiment one, please refer to Figures 1-5 The utility model discloses a disc buckle type steel pipe scaffold connecting cross rod, including screw rod 1, adjusting rod 2, bolt 3 and protection pipe 4.

[0034] Said screw rod 1 includes disc buckle type cross rod 5 and the screw thread 6 of fixed connection at one end thereof;

[0035] Said adjusting rod 2 includes disc buckle type cross rod 5 and the adjusting end 7 of fixed connection at one end thereof;

[0036] Said screw thread 6 can be rotatably inserted into the adjusting end 7, and the overall length of the connecting cross rod is controlled by adjusting the connecting length of the two;

[0037] Said bolt 3 is used for fixing the connection of disc buckle type cross rod 5 and vertical rod disc;

[0038] Said protection pipe 4 is sleeved on the exposed screw thread 6 and is fixed through the open bolt buckle.

[0039] Embodiment two, please refer to Figures 1-5 The utility model discloses a disc buckle type steel pipe scaffold connecting cross rod, including screw rod 1, adjusting rod 2, bolt 3 and protection pipe 4.

[0040] Said screw rod 1 includes disc buckle type cross rod 5 and the screw thread 6 of fixed connection at one end thereof, the pipe diameter, wall thickness of screw thread 6 are consistent with disc buckle type cross rod 5;Two ends of disc buckle type cross rod 5 are equipped with the standardized disc interface, and the hole site of vertical rod disc is corresponded, and quick installation and disassembly are realized through bolt 3. The disc buckle type cross rod 5 of screw rod 1 and adjusting rod 2 adopts Q355B steel material to be made.

[0041] The adjusting rod 2 comprises a disc buckle type cross rod 5 and an adjusting end head 7 fixedly connected to one end of the disc buckle type cross rod 5;

[0042] The screw rod 6 is rotatably inserted into the adjusting end head 7, the overall length of the connecting cross rod is controlled by adjusting the connecting length of the two, the inner diameter of the pipe material of the adjusting end head 7 matches the outer diameter of the screw rod 6, and the wall thickness is consistent with that of the disc buckle type cross rod 5; the screw rod 6 and the adjusting end head 7 are connected through thread engagement, and the length adjustment of the connecting cross rod is realized by rotating the adjusting rod 2 or the screw rod 1.

[0043] The bolt 3 is used to fix the connection between the disc buckle type cross rod 5 and the vertical rod disc;

[0044] The protection pipe 4 is sleeved on the exposed screw rod 6 and is fixed through the open bolt buckle; the protection pipe 4 is made of plastic material, has an open structure, and is provided with detachable open bolt buckles at both ends; the pipe diameter and length of the protection pipe 4 completely match those of the screw rod 6.

[0045] The open bolt buckle of the protection pipe 4 is made of polyethylene material.

[0046] Based on the first and second embodiments, this embodiment three further supplements the first and second embodiments in more details:

[0047] A size-adjustable disc buckle type steel pipe scaffold connecting cross rod with high applicability comprises a screw rod 1, an adjusting rod 2, a bolt 3 and a protection pipe 4;

[0048] The screw rod 1 comprises a disc buckle type cross rod 5 and a screw rod 6 fixedly connected to one end of the disc buckle type cross rod 5;

[0049] The adjusting rod 2 comprises a disc buckle type cross rod 5 and an adjusting end head 7 fixedly connected to one end of the disc buckle type cross rod 5;

[0050] The screw rod 6 is rotatably inserted into the adjusting end head 7, the overall length of the connecting cross rod is controlled by adjusting the connecting length of the two;

[0051] The bolt 3 is used to fix the connection between the disc buckle type cross rod 5 and the vertical rod disc;

[0052] The protection pipe 4 is sleeved on the exposed screw rod 6 and is fixed through the open bolt buckle.

[0053] The pipe material diameter and wall thickness of the screw rod 6 are consistent with those of the disc buckle type cross rod 5, and the total length of the screw rod 6 is 300 mm, of which the outer end part of 20 mm is a smooth section without threads.

[0054] The inner diameter of the pipe material of the adjusting end head 7 matches the outer diameter of the screw rod 6, the total length of the adjusting end head 7 is 320 mm, and the wall thickness is consistent with that of the disc buckle type cross rod 5.

[0055] The protective tube 4 is made of plastic material, the tube body is an open structure, both ends are provided with detachable open bolt buckles, the tube diameter and length are completely matched with the spiral screw rod 6.

[0056] The spiral screw rod 6 is connected with the adjusting end 7 through thread engagement, and the length adjustment of the connecting cross bar is realized by rotating the adjusting rod 2 or the spiral rod 1.

[0057] The material and size of the bolt 3 meet the industry standard of disc buckle type steel pipe scaffold, and the bolt 3 is used for inserting into the disc hole of the vertical rod to fix the two ends of the cross bar.

[0058] The connecting length adjustment range of the spiral screw rod 6 and the adjusting end 7 is 0-300mm, so as to adapt to the transverse connection requirement of vertical rods with different spacing.

[0059] The open bolt buckle of the protective tube 4 is made of polyethylene material, and after fastening, the spiral screw rod 6 exposed outside is completely wrapped, so that the thread damage or foreign matter invasion in the construction process is prevented.

[0060] Both ends of the disc buckle type cross bar 5 are provided with standardized disc interfaces, the hole positions of the vertical rod disc are corresponded, and the bolt 3 is used for realizing quick installation and disassembly.

[0061] The disc buckle type cross bar 5 of the spiral rod 1 and the adjusting rod 2 is made of Q355B steel material, and the surface is treated by hot galvanizing, so as to meet the bearing and corrosion resistance requirements of the building scaffold.

[0062] The above one embodiment of the utility model is described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the application range of the utility model should still belong to the claim coverage range of the utility model.

Claims

1. A type of disc-lock steel pipe scaffolding connecting crossbar, characterized in that, It includes a screw rod (1), an adjusting rod (2), a pin (3), and a protective tube (4); The spiral rod (1) includes a disc-type crossbar (5) and a spiral screw (6) fixedly connected to one end thereto; The adjusting rod (2) includes a disc buckle crossbar (5) and an adjusting end (7) fixedly connected to one end thereto; The spiral screw (6) can be rotatably inserted into the adjusting end (7), and the overall length of the connecting crossbar can be controlled by adjusting the connection length between the two. The pin (3) is used to fix the connection between the disc buckle crossbar (5) and the upright disc; The protective tube (4) is sleeved on the exposed spiral screw (6) and fixed by an open bolt buckle.

2. The disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The diameter and wall thickness of the spiral screw (6) are the same as those of the disc-type crossbar (5).

3. The disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The inner diameter of the tube of the adjusting end (7) matches the outer diameter of the screw rod (6), and the wall thickness is consistent with that of the disc buckle crossbar (5).

4. The disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The protective tube (4) is made of plastic.

5. A disc-lock type steel pipe scaffolding connecting crossbar according to claim 4, characterized in that, The protective tube (4) has an open structure with detachable open bolt clips at both ends.

6. A disc-lock type steel pipe scaffolding connecting crossbar according to claim 5, characterized in that, The diameter and length of the protective tube (4) are perfectly matched with the screw thread (6).

7. A disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The screw rod (6) and the adjusting end (7) are connected by a threaded engagement, and the length of the connecting crossbar can be adjusted by rotating the adjusting rod (2) or the screw rod (1).

8. A disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The open bolt clip of the protective tube (4) is made of polyethylene.

9. A disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The two ends of the disc-type crossbar (5) are equipped with standardized disc interfaces that correspond to the holes of the upright disc, and can be quickly installed and disassembled through the pin (3).

10. A disc-lock type steel pipe scaffolding connecting crossbar according to claim 1, characterized in that, The disc-lock crossbar (5) of the spiral rod (1) and the adjusting rod (2) is made of Q355B steel.